105k views
3 votes
The function f(x) = -x2 + 40x - 336 models the daily profit, in dollars, a shop makes for selling donut

combos, where x is the number of combos sold and f(x) is the amount of profit.
Part A: Determine the vertex. What does this calculation mean in the context of the problem? Show
the work that leads to the answer. (5 points)
Part B: Determine the x-intercepts. What do these values mean in the context of the problem? Show
the work that leads to the answer. (5 points)
(10 points)

1 Answer

3 votes

Answer:

This question should be worth atleast 20 points

Explanation:

a. For the vertex, input the funtion into the calculator, and see where the turning piont is, that is the vertex.

b. Solve using this vormula.

x= (-b ±
√(b^2 - 4ac))/2a

you will get two asnwrs, both are correct.

User Ben Barden
by
8.6k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories